Sigmoid Sinus (Noun)
Meaning
An S-shaped dural sinus on the temporal and occipital bones.
Classification
Nouns denoting body parts.
Examples
- The sigmoid sinus is a dural venous sinus located within the dura mater and is situated on the temporal and occipital bones.
- The sigmoid sinus is an S-shaped structure that receives blood from the transverse sinuses and drains into the internal jugular vein.
- In the posterior cranial fossa, the sigmoid sinus is closely related to the mastoid part of the temporal bone.
- The sigmoid sinus is an important landmark in neurosurgery, particularly during procedures involving the posterior cranial fossa.
- Damage to the sigmoid sinus can lead to serious complications, including venous thrombosis and hemorrhage.